MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 dcf21ec186908e594ab187d6261bc809bbf21bb34665c0b598ad58dac4163847. While MalwareBazaar tries to identify whether the sample provided is malicious or not, there is no guarantee that a sample in MalwareBazaar is malicious.

Database Entry


Threat unknown


Vendor detections: 13


Intelligence 13 IOCs YARA 19 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: dcf21ec186908e594ab187d6261bc809bbf21bb34665c0b598ad58dac4163847
SHA3-384 hash: 3c990b6524ec9102ccc8d7cbdf0297980dc5cf958673b1ff5bebe1bb958fc866b4fb8c1c652dd4990abd156260c20669
SHA1 hash: 3246916a885cb1a8a57af6b04e4e9dff7bc81770
MD5 hash: b8f007cdb7c35f470ec3fb71961a9ea7
humanhash: december-green-quiet-bravo
File name:file
Download: download sample
File size:306'176 bytes
First seen:2025-11-03 01:07:04 UTC
Last seen:2025-11-03 01:09:13 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash 62520313066ce3db1e34fc34411feaf9
ssdeep 6144:dXgN2B2mMsjfhQPMUQjdW4CbWjK3AM3DWZtxVVwfwM6q+wIcKxBOUtKqu:dXNxuPMfZW4yW2zDWBVVwffFaPNu
TLSH T18E54232BCEF25E73E732D27F005CEA815875DA81D7906E688CF6245EB407E7628D0687
TrID 63.5% (.EXE) UPX compressed Win64 Executable (70117/5/12)
24.5% (.EXE) UPX compressed Win32 Executable (27066/9/6)
4.5% (.EXE) Win16 NE executable (generic) (5038/12/1)
1.8% (.ICL) Windows Icons Library (generic) (2059/9)
1.8% (.EXE) OS/2 Executable (generic) (2029/13)
Magika pebin
Reporter Bitsight
Tags:dropped-by-amadey exe fbf543 UPX


Avatar
Bitsight
url: http://178.16.55.189/files/7120586914/NS6iUMk.exe
File size (compressed) :306'176 bytes
File size (de-compressed) :1'205'760 bytes
Format:win64/pe
Unpacked file: 7120ab5a4aab112d643c3515fc922a254c0627e62a16fb336aa2d8f367222993

Intelligence

File Origin
# of uploads :
3
# of downloads :
109
Origin country :
US US
Vendor Threat Intelligence
Malware family:
asyncrat
Create hunting rule
ID:
1
File name:
_dcf21ec186908e594ab187d6261bc809bbf21bb34665c0b598ad58dac4163847.exe
Verdict:
Malicious activity
Analysis date:
2025-11-03 01:08:04 UTC
Tags:
uac auto-sch auto-reg asyncrat amsi-bypass upx
Link:
https://app.any.run/tasks/839770cb-baac-4b00-a7a4-9b6fa99352b5

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
n/a
Link:
https://www.capesandbox.com/analysis/35041/
Verdict:
Malicious
Score:
99.1%
Link:
https://cyber-fortress.com/docs/result/index.php?id=690800669942f1282ecb8e8d
Tags:
autorun shell virus sage
Result
Verdict:
Malware
Maliciousness:

Behaviour
Launching a process
Creating a process with a hidden window
Running batch commands
Creating a service
Connection attempt
Creating a window
Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch
Enabling autorun for a service
Changing the Windows explorer settings to hide files extension
Disabling the operating system update service
Enabling autorun by creating a file
Adding an exclusion to Microsoft Defender
Gathering data
Verdict:
Malicious
Labled as:
Win/malicious_confidence_90%
Link:
https://www.hybrid-analysis.com/sample/dcf21ec186908e594ab187d6261bc809bbf21bb34665c0b598ad58dac4163847
Verdict:
Malicious
File Type:
exe x64
First seen:
2025-11-02T22:13:00Z UTC
Last seen:
2025-11-03T10:28:00Z UTC
Hits:
~10
Detections:
Trojan.Win32.Agent.sb HEUR:Trojan.PowerShell.Generic HEUR:Exploit.Win32.BypassUAC.b VHO:Exploit.Win32.Convagent.gen Trojan.Win64.Agentb.sb PDM:Trojan.Win32.Generic
Link:
https://opentip.kaspersky.com/dcf21ec186908e594ab187d6261bc809bbf21bb34665c0b598ad58dac4163847/results?tab=lookup
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/d9c9dab7-da41-4161-af16-d3d5a6bfb0f0
Score:
100%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/dcf21ec186908e594ab187d6261bc809bbf21bb34665c0b598ad58dac4163847
Verdict:
inconclusive
YARA:
4 match(es)
Tags:
Executable PE (Portable Executable) PE File Layout Win 64 Exe x64
Link:
https://app.malva.re/file/b8f007cdb7c35f470ec3fb71961a9ea7
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/dcf21ec186908e594ab187d6261bc809bbf21bb34665c0b598ad58dac4163847/
Verdict:
Malicious
Threat:
Family.ASYNCRAT
Link:
https://tip.neiki.dev/file/dcf21ec186908e594ab187d6261bc809bbf21bb34665c0b598ad58dac4163847
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=3tzb5qmgschfssvrq7lcmg6ibg57eg5tizs4bnmyvvmnvrawhbdq._file
Result
Malware family:
n/a
Score:
  10/10
Tags:
defense_evasion execution persistence upx
Link:
https://tria.ge/reports/251103-bg1w9adp4y/
Behaviour
Scheduled Task/Job: Scheduled Task
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Uses Task Scheduler COM API
Launches sc.exe
Drops file in System32 directory
UPX packed file
Adds Run key to start application
Indicator Removal: File Deletion
Disables service(s)
Command and Scripting Interpreter: PowerShell
Contains code to disable Windows Defender
Modifies visibility of file extensions in Explorer
Verdict:
Malicious
Tags:
n/a
YARA:
n/a
Link:
https://app.threat.zone/submission/e6420a9d-b491-4924-88c4-fde7e906ee88
Unpacked files
SH256 hash:
dcf21ec186908e594ab187d6261bc809bbf21bb34665c0b598ad58dac4163847
MD5 hash:
b8f007cdb7c35f470ec3fb71961a9ea7
SHA1 hash:
3246916a885cb1a8a57af6b04e4e9dff7bc81770
Link:
https://www.unpac.me/results/0afa1dae-898e-4426-9de9-fd78dd8f48fc/
SH256 hash:
7120ab5a4aab112d643c3515fc922a254c0627e62a16fb336aa2d8f367222993
MD5 hash:
8985cd9f9757d62feacf042c3b9eecda
SHA1 hash:
2bc60a524f84940ea8a413a68617c33aed1722c2
Detections:
INDICATOR_SUSPICIOUS_EXE_UACBypass_EventViewer
Create hunting rule
INDICATOR_SUSPICIOUS_DisableWinDefender
Create hunting rule
INDICATOR_SUSPICIOUS_EXE_RegKeyComb_DisableWinDefender
Create hunting rule
INDICATOR_SUSPICIOUS_EXE_RegKeyComb_IExecuteCommandCOM
Create hunting rule
Link:
https://www.unpac.me/results/0afa1dae-898e-4426-9de9-fd78dd8f48fc/
Parent samples :
7120ab5a4aab112d643c3515fc922a254c0627e62a16fb336aa2d8f367222993
dcf21ec186908e594ab187d6261bc809bbf21bb34665c0b598ad58dac4163847
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/dcf21ec18690/report/overview.html
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Malicious File
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/dcf21ec186908e594ab187d6261bc809bbf21bb34665c0b598ad58dac4163847

YARA Signatures

MalwareBazaar uses YARA rules from several public and non-public repositories, such as YARAhub and Malpedia. Those are being matched against malware samples uploaded to MalwareBazaar as well as against any suspicious process dumps they may create. Please note that only results from TLP:CLEAR rules are being displayed.

Rule name:CMD_Shutdown
Create hunting rule
Author:adm1n_usa32
Rule name:CP_Script_Inject_Detector
Create hunting rule
Author:DiegoAnalytics
Description:Detects attempts to inject code into another process across PE, ELF, Mach-O binaries
Rule name:DebuggerCheck__API
Create hunting rule
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:DebuggerCheck__QueryInfo
Create hunting rule
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:detect_powershell
Create hunting rule
Author:daniyyell
Description:Detects suspicious PowerShell activity related to malware execution
Rule name:dgaaga
Create hunting rule
Author:Harshit
Description:Detects suspicious PowerShell or registry activity
Rule name:Disable_Defender
Create hunting rule
Author:iam-py-test
Description:Detect files disabling or modifying Windows Defender, Windows Firewall, or Microsoft Smartscreen
Rule name:FreddyBearDropper
Create hunting rule
Author:Dwarozh Hoshiar
Description:Freddy Bear Dropper is dropping a malware through base63 encoded powershell scrip.
Rule name:golang_bin_JCorn_CSC846
Create hunting rule
Author:Justin Cornwell
Description:CSC-846 Golang detection ruleset
Rule name:INDICATOR_SUSPICIOUS_DisableWinDefender
Create hunting rule
Author:ditekSHen
Description:Detects executables containing artifacts associated with disabling Widnows Defender
Rule name:INDICATOR_SUSPICIOUS_EXE_RegKeyComb_DisableWinDefender
Create hunting rule
Author:ditekSHen
Description:Detects executables embedding registry key / value combination indicative of disabling Windows Defender features
Rule name:INDICATOR_SUSPICIOUS_EXE_RegKeyComb_IExecuteCommandCOM
Create hunting rule
Author:ditekSHen
Description:Detects executables embedding command execution via IExecuteCommand COM object
Rule name:INDICATOR_SUSPICIOUS_EXE_UACBypass_EventViewer
Create hunting rule
Author:ditekSHen
Description:detects Windows exceutables potentially bypassing UAC using eventvwr.exe
Rule name:pe_detect_tls_callbacks
Create hunting rule
Rule name:RANSOMWARE
Create hunting rule
Author:ToroGuitar
Rule name:SEH__vectored
Create hunting rule
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:Sus_CMD_Powershell_Usage
Create hunting rule
Author:XiAnzheng
Description:May Contain(Obfuscated or no) Powershell or CMD Command that can be abused by threat actor(can create FP)
Rule name:ThreadControl__Context
Create hunting rule
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:upx_largefile
Create hunting rule
Author:k3nr9

File information

The table below shows additional information about this malware sample such as delivery method and external references.

Web download

Executable exe dcf21ec186908e594ab187d6261bc809bbf21bb34665c0b598ad58dac4163847

(this sample)

Executable exe 7120ab5a4aab112d643c3515fc922a254c0627e62a16fb336aa2d8f367222993

  
Dropped by
Amadey
  
Delivery method
Distributed via web download
  
URLhaus
https://urlhaus.abuse.ch/url/3694508/
Cape
Cape
https://www.capesandbox.com/analysis/35041/
  
Dropping
SHA256 7120ab5a4aab112d643c3515fc922a254c0627e62a16fb336aa2d8f367222993
  
Dropping
MD5 8985cd9f9757d62feacf042c3b9eecda

Comments